Zalokar, Erk, and Santamaria (1980) BUTTERFLY
Zalokar, Marko, Inge Erk, and Pedro Santamaria. 1980. “Distribution of Ring-x Chromosomes in the Blastoderm of Gynandromorphic d. Melanogaster.” Cell 19: 133–41. https://doi.org/10.1016/0092-8674(80)90394-3. 
sessionInfo()
## R version 4.3.3 (2024-02-29 ucrt)
## Platform: x86_64-w64-mingw32/x64 (64-bit)
## Running under: Windows 11 x64 (build 22631)
## 
## Matrix products: default
## 
## 
## locale:
## [1] LC_COLLATE=English_United States.utf8 
## [2] LC_CTYPE=English_United States.utf8   
## [3] LC_MONETARY=English_United States.utf8
## [4] LC_NUMERIC=C                          
## [5] LC_TIME=English_United States.utf8    
## 
## time zone: America/New_York
## tzcode source: internal
## 
## attached base packages:
## [1] stats     graphics  grDevices utils     datasets  methods   base     
## 
## loaded via a namespace (and not attached):
##  [1] digest_0.6.35     R6_2.5.1          fastmap_1.2.0     xfun_0.45        
##  [5] cachem_1.1.0      knitr_1.47        htmltools_0.5.8.1 rmarkdown_2.27   
##  [9] lifecycle_1.0.4   cli_3.6.2         sass_0.4.9        jquerylib_0.1.4  
## [13] compiler_4.3.3    rstudioapi_0.16.0 tools_4.3.3       evaluate_0.24.0  
## [17] bslib_0.7.0       yaml_2.3.8        rlang_1.1.4       jsonlite_1.8.8